Overview
The STTH802CB is a high-efficiency ultrafast diode produced by STMicroelectronics. It is designed as a dual center tap rectifier, making it highly suitable for switched mode power supplies (SMPS) and high-frequency DC to DC converters. The device is packaged in a DPAK (TO-252-3) package, which is ideal for applications requiring low voltage and high frequency operations.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Repetitive Peak Reverse Voltage | VRRM | 200 | V |
| Average Forward Current (per diode) | IF(AV) | 4 A (Tc = 155 °C), 8 A (Tc = 150 °C per device) | A |
| Forward RMS Current (per diode) | IF(RMS) | 10 A | A |
| Surge Non-Repetitive Forward Current | IFSM | 50 A (tp = 10 ms sinusoidal) | A |
| Maximum Operating Junction Temperature | Tj | 175 °C | °C |
| Forward Voltage Drop (typical at IF = 4 A, Tj = 25 °C) | VF | 0.81 V | V |
| Reverse Recovery Time (typical at IF = 0.5 A, IRR = 0.25 A, IR = 1 A) | trr | 13 ns | ns |
| Junction to Case Thermal Resistance (per diode) | Rth(j-c) | 4 °C/W | °C/W |
Key Features
- Suited for switched mode power supplies (SMPS) and high-frequency DC to DC converters.
- Low losses and low forward and reverse recovery times.
- High surge current capability.
- High junction temperature tolerance up to 175 °C.
- ECOPACK®2 compliant for environmental compliance.
- Package in DPAK, which allows for efficient heat dissipation through conduction.
Applications
The STTH802CB is intended for use in various applications, including:
- Low voltage, high frequency inverters.
- Freewheeling diode applications.
- Polarity protection circuits.
- High-frequency DC to DC converters.
Q & A
- What is the maximum repetitive peak reverse voltage of the STTH802CB?
The maximum repetitive peak reverse voltage (VRRM) is 200 V. - What is the average forward current rating for the STTH802CB?
The average forward current (IF(AV)) is 4 A per diode at Tc = 155 °C and 8 A per device at Tc = 150 °C. - What is the surge non-repetitive forward current capability of the STTH802CB?
The surge non-repetitive forward current (IFSM) is 50 A for a 10 ms sinusoidal pulse. - What is the maximum operating junction temperature for the STTH802CB?
The maximum operating junction temperature (Tj) is 175 °C. - What is the typical forward voltage drop of the STTH802CB at 4 A and 25 °C?
The typical forward voltage drop (VF) is 0.81 V at IF = 4 A and Tj = 25 °C. - What is the reverse recovery time of the STTH802CB?
The reverse recovery time (trr) is typically 13 ns. - Is the STTH802CB environmentally compliant?
Yes, the STTH802CB is ECOPACK®2 compliant, meeting environmental standards. - What package type is the STTH802CB available in?
The STTH802CB is packaged in a DPAK (TO-252-3) package. - What are the typical applications of the STTH802CB?
The STTH802CB is used in low voltage, high frequency inverters, freewheeling, polarity protection, and high-frequency DC to DC converters. - How does the DPAK package aid in heat dissipation?
The DPAK package allows for efficient heat dissipation through conduction.
